package cn.tedu.bootdemo.web;

import lombok.Data;


import cn.tedu.bootdemo.ex.ServiceException;
@Data
public class JsonResult<T> {

    private Integer state;//业务返回码
    private String message;//消息
    private T data;

    private JsonResult(){}

    public static JsonResult<Void> ok(){
        return ok(null);
    }

    public static<T> JsonResult<T> ok(T data){
        JsonResult<T> jsonResult = new JsonResult<>();
        jsonResult.state = State.OK.getValue();
        jsonResult.setData(data);
        return jsonResult;
    }

    public static JsonResult<Void> fail(ServiceException e){
        return fail(e.getState(),e.getMessage());
    }

    public static JsonResult<Void> fail(State state,String message){
        JsonResult<Void> jsonResult = new JsonResult<>();
        jsonResult.state = state.getValue();
        jsonResult.message = message;
        return jsonResult;
    }

    public enum State{
        OK(20000),
        ERR_BAN_REQUEST(40000),
        ERR_CONFLICT(40900),
        ERR_INTERNAL_ERROR(50000);;

        Integer value;
        State(Integer value){
            this.value = value;
        }

        public Integer getValue() {
            return value;
        }
    }

    @Override
    public String toString() {
        return "JsonResult{" +
                "state=" + state +
                ", message='" + message + '\'' +
                ", data=" + data +
                '}';
    }


}

